Reply To: Train Fever won't start. Windows XP 64bit is the issue here. Home › Forums › Support › Train Fever won't start. Windows XP 64bit is the issue here. › Reply To: Train Fever won't start. Windows XP 64bit is the issue here. September 6, 2014 at 18:53 #5223 RangadParticipant @mikael I don’t know how well WoW64 works on Windows XP. But if it works you could distribute the 32bit version until you have official 64bit binaries on XP.